diff --git a/filter_parser/src/lib.rs b/filter_parser/src/lib.rs
index c4091fa86..40e1fb3d4 100644
--- a/filter_parser/src/lib.rs
+++ b/filter_parser/src/lib.rs
@@ -11,7 +11,7 @@
 //! to             = value value TO value
 //! value          = WS* ~ ( word | singleQuoted | doubleQuoted) ~ WS*
 //! singleQuoted   = "'" .* all but quotes "'"
-//! doubleQuoted   = "\"" (word | spaces)* "\""
+//! doubleQuoted   = "\"" .* all but double quotes "\""
 //! word           = (alphanumeric | _ | - | .)+
 //! geoRadius      = WS* ~ "_geoRadius(" ~ float ~ "," ~ float ~ "," float ~ ")"
 //! ```